The ability of free water surface constructed wetland system to treat high strength domestic wastewater: A case study for the Mediterranean

Gunes, Kemal; Tunçsiper, Bilal; Ayaz, Selma; Drizo, Aleksandra

doi:10.1016/j.ecoleng.2012.04.008

Cited by 41 publications

(12 citation statements)

References 20 publications

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“…among four types greywater might be related to the type of detergents and products used for bathing, where the microalgae have high potential to degrade some types more efficiency than others. However, the reduction percentage recorded here is more than that noted using granular activated carbon (GAC) biofilm reactor and sand filter system which was reported by AlMughalles et al [24] (85.47 vs. 65%, respectively), but still less than that recorded using a free water surface flowconstructed wetland (FWS-CW) with a three-compartment septic system which was 91% [25]. Nonetheless, the easy implementable and maintenance of the phycoremediation system design here has more advantages compared to FWS-CW.…”

Section: Phycoremediation Process Of Greywatercontrasting

confidence: 43%

“…In comparison to the control where the maximum reduction is 10.3%, it can be indicated that Botryococcus sp. has the high potential to reduce BOD 5 more efficient than the FWS-CW reported by Gunes et al [25] as well as that by filtration-adsorption systems reported by Nnaji et al [26], where the highest reduction was 91 and 85.68%, respectively, while the maximum reduction in this study was 98%.…”

Section: Phycoremediation Process Of Greywatercontrasting

confidence: 41%

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Removal of nutrients and organic pollutants from household greywater by phycoremediation for safe disposal

Mohamed

Al-Gheethi

Aznin

et al. 2017

Int J Energy Environ Eng

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The present study aimed to investigate the potential for application of phycoremediation system using Botryococcus sp. for the treatment of bathroom greywater at village houses. The greywater samples were obtained from four houses. The treatment system was conducted at ambient temperature for 21 days. Botryococcus sp. (Accession No. JQ585723.1) was inoculated into the greywater in a dry mass (0.3 mg L -1 ). The results revealed high effectiveness of the treatment system. The maximum reduction of biological oxygen demand (BOD 5 ) from four types of greywater ranged from 85.3 to 98%, while was between 71.22 and 85.47% for chemical oxygen demand (COD) after 21 days. The reduction of nitrate (NO 3 -) appeared rapidly within 18 days of the treatment period with 98% of the reduction efficiency. Reduction of ammonia (NH 3 ) and orthophosphate (PO4 3-) was recorded after 21 days with the efficiency ranged from 86.21 to 99 and 39.12 to 99.3%, respectively. The high removal percentage of potassium (K) (97%) recorded within 3 days, while calcium (Ca) reduction (95%) was noted at the end of the treatment period indicating the high applicability of phycoremediation system to be used in the village houses. Moreover, the system is easily implementable, very low cost where no energy is required, eco-friendly and has no toxic by-products.

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Section: Phycoremediation Process Of Greywatercontrasting

confidence: 43%

Section: Phycoremediation Process Of Greywatercontrasting

confidence: 41%

Removal of nutrients and organic pollutants from household greywater by phycoremediation for safe disposal

Mohamed

Al-Gheethi

Aznin

et al. 2017

Int J Energy Environ Eng

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show abstract

“…Constructed wetlands have been used for removing a wide range of inorganic contaminants, including heavy metals, perchlorate, cyanide, nitrate and phosphate, as well as certain organic contaminants, including explosives and herbicides, and emerging contaminants such as pharmaceuticals, fragrances, antiseptics, fire retardants, herbicides and plasticizers (Haber et al 2003;Birch et al 2004;Braeckevelt et al 2011;Budd et al 2011;Bustamante et al 2011;Haarstad et al 2012). These have been successfully used to treat a wide variety of wastewaters including petroleum effluents, pulp and paper wastewater, refinery, and chlor-alkali effluent, landfill leachates, domestic wastewater, municipal wastewater, domestic sewage, agricultural wastewater, dairy wastewater and mine and drainage (DeBusk et al 1996a;Kadlec and Knight 1996;DeBusk 1998;Kadlec 1998;Sobolewski 1999;Yang et al 2007;Choudhary et al 2011;Comino et al 2011;Gustavsson, and Engwall 2012;Gunes et al 2012;Idris et al 2012;Lin and Han 2012;Sudarsan et al 2012;Yu et al 2012) (Table 4.1). Constructed wetlands have been found to be effective in treating domestic and municipal wastewater by reducing suspended solids, organic matter, phosphorus, nitrogen and pathogens (Hencha et al 2003).…”

Section: Constructed Wetlands (Man-made Artificial or Engineered Wetmentioning

confidence: 95%

Role of Wetlands

Dhir

2013

Phytoremediation: Role of Aquatic Plants in Environmental Clean-Up

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“…Sedimentation and filtration are the two removal mechanisms in this case [34]. Size and shape of the particles affect removal mechanisms to a great extent.…”

Section: Total Suspended Solids (Tss)mentioning

confidence: 99%

“…The widely used technique for domestic waste water treatment is sand filtration [34]. There are two types of modes in this technique viz single pass, recirculation mode.…”

Section: Sand Filtrationmentioning

confidence: 99%

Constructed Wetlands and Water Hyacinth Macrophyte as a Tool for Wastewater Treatment: A Review

Díaz¹

2016

JACE

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This paper is an attempt to study the water treatment processes with special emphasis on construction wetlands (CW's). Wastewater is a growing concern in different developed countries. Hence treatment of wastewater has gained much importance. There are different levels of water treatment of which constructed wetlands come under secondary level. The types of constructed wetlands include free water surface CW's, CW's with horizontal subsurface flow, CW's with vertical subsurface flow and hybrid CW's. A comparison is done for both the surface flow types. Macrophytes form an important part of constructed wetlands and in this paper the effectiveness of a bio-hedge based water hyacinth system is emphasized. An outline of the sand filtration technique is also provided. The different factors that are to be removed from the waste water and the mechanisms used for their removal are also concentrated.

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The ability of free water surface constructed wetland system to treat high strength domestic wastewater: A case study for the Mediterranean

Cited by 41 publications

References 20 publications

Removal of nutrients and organic pollutants from household greywater by phycoremediation for safe disposal

Removal of nutrients and organic pollutants from household greywater by phycoremediation for safe disposal

Role of Wetlands

Constructed Wetlands and Water Hyacinth Macrophyte as a Tool for Wastewater Treatment: A Review

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